Need help with testing multiple ads in each ad group

I just set up my first ad with specific price and promotion, and it's affordable with free bonus, my ad is under review now. One thing bother me is the CTR with this price tag ad, people may not want click it when they see the price tag. So I am planning to creat another one without price tag but call to action.

I am confusing about creating multiple ads, which one is it, add ad or add ad group? What's the difference? If I do so, can I use same keyword and negative kekword in each ad or ad group??

And I have another quick question. If I put "limited offer" such words in my ad text, but the landing page didn't mention any limited offer which means everyone has equal chance. Is there any penalty for doing that?

Per the " advertiser claim" section of the policy :" All discounts and offers in your ad must be up-to-date and must match the content on your website."

As for your other questions: there are number of strategies you can take:

I do not prefer to have a new ad-group for testing an ad-copy. The reason is, that keywords in both ad-groups will compete among themselves: You will not be able to conclude, whether an ad showed because more attractive ad-copy, or because the keyword triggered it matched the query;

I would take one of the following approaches.

Let the system rotate the ads based on performances. The better performed ad will show more frequent. (This the default vs, "even rotation). Eventually, If the difference in appearances is statistically significant, you can pause the less performing ad

If you are familiar with the "experiment " tool of AdWords, you can run an experiment with the different ad-copies.

Re: Experiment with ad-copies. Ad rotation/ experiments

"Special offer", or "attractive prices" or "discounted prices", should work as long as they are reflected on the landing page!

"Limited time offer" would also work. But, my interpretation is that" limited" cannot be "endless", and the expiration date should be on the landing page. (Though when one promo ends, you can start a new one...).

The ad-copy "tactics" that you are referring to, are known. They are, however, risky: since if your account is reviewed, and found to violate the Policy, it will be suspended....

Per the " advertiser claim" section of the policy :" All discounts and offers in your ad must be up-to-date and must match the content on your website."

As for your other questions: there are number of strategies you can take:

I do not prefer to have a new ad-group for testing an ad-copy. The reason is, that keywords in both ad-groups will compete among themselves: You will not be able to conclude, whether an ad showed because more attractive ad-copy, or because the keyword triggered it matched the query;

I would take one of the following approaches.

Let the system rotate the ads based on performances. The better performed ad will show more frequent. (This the default vs, "even rotation). Eventually, If the difference in appearances is statistically significant, you can pause the less performing ad

If you are familiar with the "experiment " tool of AdWords, you can run an experiment with the different ad-copies.

Re: Experiment with ad-copies. Ad rotation/ experiments

Speak of my last question, I totally understand that policy and I didn't violate it. I have read some article about text strategies, lots of people mentioned use those words to lure people click the ads, consider the landing page didn't say anything about limited offer, but the price and promotions or discounts are exact match. I won't take any risk to do that.

Re: Experiment with ad-copies. Ad rotation/ experiments

"Special offer", or "attractive prices" or "discounted prices", should work as long as they are reflected on the landing page!

"Limited time offer" would also work. But, my interpretation is that" limited" cannot be "endless", and the expiration date should be on the landing page. (Though when one promo ends, you can start a new one...).

The ad-copy "tactics" that you are referring to, are known. They are, however, risky: since if your account is reviewed, and found to violate the Policy, it will be suspended....